# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from collections import OrderedDict
from itertools import chain
from lxml import etree

from odoo import Command
from odoo.addons.hr.tests.common import TestHrCommon
from odoo.tests import new_test_user, tagged, Form
from odoo.exceptions import AccessError

@tagged('post_install', '-at_install')
class TestSelfAccessPreferences(TestHrCommon):

    def test_access_preferences_view(self):
        """ A simple user should be able to read all fields in the preferences form """
        james = new_test_user(self.env, login='hel', groups='base.group_user', name='Simple employee', email='ric@example.com')
        james = james.with_user(james)
        james_bank_account = self.env['res.partner.bank'].create({'acc_number': 'BE1234567890', 'partner_id': james.partner_id.id})
        self.env['hr.employee'].create({
            'name': 'James',
            'user_id': james.id,
            'bank_account_ids': [Command.link(james_bank_account.id)]
        })
        view = self.env.ref('hr.res_users_view_form_preferences')
        view_infos = james.get_view(view.id)
        fields = [el.get('name') for el in etree.fromstring(view_infos['arch']).xpath('//field[not(ancestor::field)]')]
        james.read(fields)

    def test_preferences_view_fields(self):
        """ A simple user should see all fields in preferences view, even if they are protected by groups """
        view = self.env.ref('hr.res_users_view_form_preferences')

        # For reference, check the view with user with every groups protecting user fields
        all_groups_xml_ids = chain(*[
            field.groups.split(',')
            for field in self.env['res.users']._fields.values()
            if field.groups
            if field.groups != '.' # "no-access" group on purpose
        ])
        all_groups = self.env['res.groups']
        for xml_id in all_groups_xml_ids:
            all_groups |= self.env.ref(xml_id.strip())
        user_all_groups = new_test_user(self.env, groups='base.group_user', login='hel', name='God')
        user_all_groups.write({'group_ids': [(4, group.id, False) for group in all_groups]})
        view_infos = self.env['res.users'].with_user(user_all_groups).get_view(view.id)
        full_fields = [el.get('name') for el in etree.fromstring(view_infos['arch']).xpath('//field[not(ancestor::field)]')]

        # Now check the view for a simple user
        user = new_test_user(self.env, login='gro', name='Grouillot')
        view_infos = self.env['res.users'].with_user(user).get_view(view.id)
        fields = [el.get('name') for el in etree.fromstring(view_infos['arch']).xpath('//field[not(ancestor::field)]')]

        # Compare both
        self.assertEqual(full_fields, fields, "View fields should not depend on user's groups")

    def test_access_preferences_view_toolbar(self):
        """ A simple user shouldn't have the possibilities to see the 'Change Password' action"""
        james = new_test_user(self.env, login='jam', groups='base.group_user', name='Simple employee', email='jam@example.com')
        james = james.with_user(james)
        self.env['hr.employee'].create({
            'name': 'James',
            'user_id': james.id,
        })
        view = self.env.ref('hr.res_users_view_form_preferences')
        available_actions = james.get_views([(view.id, 'form')], {'toolbar': True})['views']['form']['toolbar'].get('action', {})
        change_password_action = self.env.ref("base.change_password_wizard_action")

        self.assertFalse(any(x['id'] == change_password_action.id for x in available_actions))

        # An ERP manager should have the possibilities to see the 'Change Password'
        john = new_test_user(self.env, login='joh', groups='base.group_erp_manager', name='ERP Manager', email='joh@example.com')
        john = john.with_user(john)
        self.env['hr.employee'].create({
            'name': 'John',
            'user_id': john.id,
        })
        view = self.env.ref('hr.res_users_view_form_preferences')
        available_actions = john.get_views([(view.id, 'form')], {'toolbar': True})['views']['form']['toolbar']['action']
        self.assertTrue(any(x['id'] == change_password_action.id for x in available_actions))

    def test_employee_fields_groups(self):
        # Note: If this tests is crashing, this is probably because the linked field on the error
        # message is defined on hr.employee only (and not on hr.employee.public) and has no group
        # defined on it (at least hr.group_hr_user).
        internal_user = new_test_user(self.env, login='mireille', groups='base.group_user', name='Mireille', email='mireille@example.com')
        self.env['hr.employee'].with_user(internal_user).search([]).read([])

    def test_open_preferences_with_group_without_external_id(self):
        """Test opening preferences when the user belongs to a group without an external ID."""
        self.env['hr.employee'].create({
            'name': 'John',
            'user_id': self.env.user.id,
        })
        group = self.env['res.groups'].create({
            'name': "Test Group",
        })
        self.env.user.group_ids = [Command.link(group.id)]
        action = self.env.user.action_get()
        self.assertEqual(action['type'], 'ir.actions.act_window')
        self.assertEqual(action['display_name'], 'Change my Preferences')

class TestSelfAccessRights(TestHrCommon):

    @classmethod
    def setUpClass(cls):
        super(TestSelfAccessRights, cls).setUpClass()
        cls.richard = new_test_user(cls.env, login='ric', groups='base.group_user', name='Simple employee', email='ric@example.com')
        cls.richard_emp = cls.env['hr.employee'].create({
            'name': 'Richard',
            'user_id': cls.richard.id,
            'private_phone': '21454',
        })
        cls.hubert = new_test_user(cls.env, login='hub', groups='base.group_user', name='Simple employee', email='hub@example.com')
        cls.hubert_emp = cls.env['hr.employee'].create({
            'name': 'Hubert',
            'user_id': cls.hubert.id,
        })

        cls.protected_fields_emp = OrderedDict([(k, v) for k, v in cls.env['hr.employee']._fields.items() if v.groups == 'hr.group_hr_user'])
        # Compute fields and id field are always readable by everyone
        cls.read_protected_fields_emp = OrderedDict([(k, v) for k, v in cls.env['hr.employee']._fields.items() if not v.compute and k != 'id'])
        cls.self_protected_fields_user = OrderedDict([
            (k, v)
            for k, v in cls.env['res.users']._fields.items()
            if v.groups == 'hr.group_hr_user' and k in cls.env['res.users'].SELF_READABLE_FIELDS
        ])

    # Read hr.employee #
    def testReadSelfEmployee(self):
        with self.assertRaises(AccessError):
            self.hubert_emp.with_user(self.richard).read(self.protected_fields_emp.keys())

    def testReadOtherEmployee(self):
        with self.assertRaises(AccessError):
            self.hubert_emp.with_user(self.richard).read(self.protected_fields_emp.keys())
        # Check simple user can read all public fields of private employee
        public_fields = [
            field_name
            for field_name in self.env['hr.employee.public']._fields
            if field_name in self.env['hr.employee']._fields
        ]
        res = self.hubert_emp.with_user(self.richard).read(public_fields)
        self.assertEqual(len(public_fields), len(res[0]))

    # Write hr.employee #
    def testWriteSelfEmployee(self):
        for f in self.protected_fields_emp:
            with self.assertRaises(AccessError):
                self.richard_emp.with_user(self.richard).write({f: 'dummy'})

    def testWriteOtherEmployee(self):
        for f in self.protected_fields_emp:
            with self.assertRaises(AccessError):
                self.hubert_emp.with_user(self.richard).write({f: 'dummy'})

    # Read res.users #
    def testReadSelfUserEmployee(self):
        for f in self.self_protected_fields_user:
            self.richard.with_user(self.richard).read([f])  # should not raise

    def testReadOtherUserEmployee(self):
        with self.assertRaises(AccessError):
            self.hubert.with_user(self.richard).read(self.self_protected_fields_user)

    def testWriteSelfUserEmployee(self):
        for f, v in self.self_protected_fields_user.items():
            val = None
            if v.type == 'char' or v.type == 'text':
                val = '0000' if f in ['pin', 'barcode'] else 'dummy'
            if val is not None:
                self.richard.with_user(self.richard).write({f: val})

    def testWriteOtherUserEmployee(self):
        for f in self.self_protected_fields_user:
            with self.assertRaises(AccessError):
                self.hubert.with_user(self.richard).write({f: 'dummy'})

    def testSearchUserEMployee(self):
        # Searching user based on employee_id field should not raise bad query error
        self.env['res.users'].with_user(self.richard).search([('employee_id', 'ilike', 'Hubert')])

    def test_onchange_readable_fields_with_no_access(self):
        """
            The purpose is to test that the onchange logic takes into account `SELF_READABLE_FIELDS`.

            The view contains fields that are in `SELF_READABLE_FIELDS` (example: `private_street`).
            Even if the user does not have read access to the employee,
            it should not cause an access error if these fields are in `SELF_READABLE_FIELDS`.
        """
        self.env['res.lang']._activate_lang("fr_FR")
        with Form(self.richard.with_user(self.richard), view='hr.res_users_view_form_preferences') as form:
            # triggering an onchange should not trigger some access error
            form.lang = "fr_FR"
            form.tz = "Europe/Brussels"

    def test_access_employee_account(self):
        hubert = new_test_user(self.env, login='hubert', groups='base.group_user', name='Hubert Bonisseur de La Bath', email='hubert@oss.fr')
        hubert = hubert.with_user(hubert)
        hubert_acc = self.env['res.partner.bank'].create({'acc_number': 'FR1234567890', 'partner_id': hubert.partner_id.id})
        hubert_emp = self.env['hr.employee'].create({
            'name': 'Hubert',
            'user_id': hubert.id,
            'bank_account_ids': [Command.link(hubert_acc.id)]
        })
        hubert.partner_id.sudo().employee_ids = hubert_emp

        self.assertFalse(hubert.env.user.has_group('hr.group_hr_user'))
        self.assertFalse(hubert.env.su)
        self.assertEqual(hubert.sudo().employee_bank_account_ids.display_name, 'FR******7890')
        self.assertEqual(hubert_emp.with_user(hubert).sudo().bank_account_ids.display_name, 'FR******7890')

        hubert_acc.invalidate_recordset(["display_name"])
        self.assertEqual(hubert_emp.with_user(hubert).sudo().bank_account_ids.sudo(False).display_name, 'FR******7890')
